TABLE OF CONTENTS 



Officers and Committees for 1909 



Proceedings for 1909 vii 



A Revision of the Crinoid Families Thalassometridse and Hime- 

 rometridae, by Austin Hobart Clark 1-22 



Eleven New Mammals from Lower California, by E. W. Nelson 



and E. A. Goldman 23-28 



Notes on Some Rare or Not Well-known Costa Rican Birds, by 

 Outram Bangs 29-38 -^ 



Two New Australian Crinoids, by Austin Hobart Clark 39-42 



Two New Bats from the Southwestern United States, by N. 



Hollister 43-44 



Description of a New Bat from Nickajack Cave, Tennessee, by 



Arthur H. Howell 45-48 



A New Thrush from iMexico, by E. W. Nelson 49-50 



The Status of Sore.v merriami, with Description of an Allied New 



Species from Utah, by Wilfred H. Osgood 51-54 



Notes on the Distribution of Certain Mammals in the Southeastern 

 United States, by Arthur H. Howell 55-68 



New Genera, Species and Subspecies of Formicariidee, Furnariidee 

 and Dendrocolaptidpe, l)y Robert Ridgway 69-74 



New Recent Crinoids from the Indian Ocean, by Austin Hobart 

 Clark • • • 75-86 



General Notes 87-9Q 



The Type of the Genus Comaster, by Austin H. Clark, 87; Pho- 

 totaxis Among Crinoids, by Austin H. Clark, 87; Systematic 

 Position of OUgomelra studeri, by Austin H. Clark, 88; The 

 Allegheny Cave Rat at Newfoundland, N. J., by AV. De W. 

 Miller and James Chapin, 88; On the Name of the Antillean 

 Killdeer, by J. H. Riley, 88; Corrections Regarding the Names 

 of Two Recently Described Amphibia Salientia, by Thomas 

 Barbour, 89; The Authority for the Name Nycticebus mena- 

 gensis, by Marcus Ward Lyon, Jr., 89; The Generic Name 

 Nycterts, by Gerrit S. Miller, Jr., 90. 



Notes on the Fishes of Crab Creek, Washington, with Description 

 of a New Species of Trout, by Barton Warren Evermann and 

 John Treadwell Nichols 91-94 



Notes on Some Fishes from the Canal Zone, by Barton Warren 

 Evermann and Edmund Lee Goldsborough 95-104 



A New Chipmunk from Colorado, by Edward R. Warren . . . 105-106 



New Crabs from the Gulf of Siam, by Mary J. Rathbun .... 107-114 



Notes on the Narrow-mouthed Toads {Engystoma) and the 

 Description of a New Species from Southeastern Texas, by John 

 K. Strecker, Jr 115-120 



Notes on the Scales of Fishes. The Herbivorous Cyprinidse, by 

 T. D. A. Cockerell and Otis Callaway 121-124 



Generic Names of Some Chelyid Turtles, by Leonhard Stejneger . 125-128 



